Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 491fd5a986e96873d5375c58e41f0c96e0517b6587650ca1b09d72f7d78a8723:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^